Effective Management of Refractory Paraneoplastic Vasculitis in Myelodysplastic Syndromes With Azacitidine, Prednisolone, and Azathioprine. - Takaba, Masamitsu; Nakano, Kotaro; Yoda, Akari; Otsuki, Yoshiro; Fujisawa, Shinya; Sen, Kalyani (Case Reports in Hematology, 2025)